.Question 7 The physical plant at the main campus of a large state university recieves daily requests to replace fluorescent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 37 and a standard deviation of 4. Using the empirical rule, what is the approximate percentage of lightbulb replacement requests numbering between 37 and 41? Do not enter the percent symbol. ans = % > Next Question 20 Q DII DD F1 F2 F3 F4 F5 F6 F7 F8 F9 @ > & # % 2 3 4 5 8 9 W E R T Y U